오키나와에서 유래한 무술용 무기로, 손잡이에서 바깥쪽으로 굽은 두 개의 갈래가 있는 단검 형태의 타격 도구.
A traditional Okinawan striking weapon consisting of a pointed, prong-shaped metal baton with two curved side-prongs, often used in pairs for defense and striking.
예문:
"The practitioner gripped the sai firmly by the handle, ready to parry an attack."
"In Okinawan kobudo, the sai is one of the primary weapons taught to students."
"A well-crafted sai is balanced perfectly at the point where the crossguard meets the main shaft."